Resistance device falls in integral type rapid grounding
Technical field
The utility model relates to a kind of earthing device of lightning protection, is specifically related to a kind of Integral earthing device be made up of main earth electrode, secondary earth electrode and lateral connection bar.
Background technology
Existing earthing material mostly using one or more Zinc-coated angle steel or round steel as earth electrode, be directly connected with object of protection by earth connection.It is not obvious that resistance lightning protection effect falls in a Zinc-coated angle steel or round steel ground connection, and especially run into the place that earth resistivity is large, an earth electrode lightning protection effect is very poor.And by several series connection or earth, although lightning protection effect is better than an earth electrode lightning protection effect, if meet the large place of earth resistivity, its lightning protection effect is still undesirable.Therefore how to reduce the resistance rate of grounding-for-lightning device, improving its lightning protection effect is the problem that those skilled in the art needs solution badly.
Find that following patent and the utility model have similarity by domestic retrieval:
Application number is 201320267699.9, the utility model that name is called " fast emergent lightning protection pole ", and this utility model discloses a kind of emergent lightning protection pole fast, comprises screw rod.One end of described screw rod is provided with conical head, and the other end is provided with cylinder table, and this cylinder table sidepiece is provided with tapped through hole, is provided with bolt in through hole, and the top of described cylinder table is provided with protruding terrace with edge.This utility model compared with prior art, has the following advantages: reasonable in design, structure is simple, be easy to install, with low cost.Speed of application is fast, time saving and energy saving, and when many thunderstorm weathers in summer, energy Fast Installation solves the Lightning Protection of electric power facility.
Application number is 201420060562.0, name is called the utility model of " lightning protection Special grounding device ", this utility model provides a kind of lightning protection Special grounding device, comprise electrode member, conductor connecting element, earial drainage element, the inside of electrode member is provided with slowly-releasing conduction liquid and stores chamber, the outer surface of electrode member has nano-carbon anticorrosion conductive coating layer, the outer surface of electrode member offers slowly-releasing conduction liquid manhole appendix, slowly-releasing conduction liquid manhole appendix and slowly-releasing conduction liquid deposit chamber, one end of conductor connecting element is connected with one end of electrode member, the other end of conductor connecting element is connected with earial drainage element, earial drainage element is annular metal conductor.
Although above patent also relates to grounding-for-lightning device, especially application number be 201420060562.0 patent also have conduction liquid manhole appendix, but due to the structure not having multiple earth electrode to be linked together by lateral connection bar, be therefore difficult to significantly reduce earth resistivity in the place that earth resistivity is large.
Utility model content
The technical problems to be solved in the utility model is: for current grounding-for-lightning device because the structure of earthing material and earthing device is desirable not enough, and make the earth resistivity after ground connection still larger, lightning protection effect is not fine, and proposes a kind of device that significantly can reduce earth resistivity of integral type.
Pin is with the problems referred to above, the technical scheme that the utility model proposes is: resistance device falls in integral type rapid grounding, the outside of main earth electrode is provided with more than one secondary earth electrode, and main earth electrode is provided with more than one connection handle, and secondary earth electrode is provided with more than one connection handle; One end of lateral connection bar is connected with the connection handle on main earth electrode, and the other end is connected with the connection handle on secondary earth electrode, and main earth electrode and secondary earth electrode are connected into an entirety by lateral connection bar; Secondary earth electrode has liquid-entering hole and fluid hole.
Further, main earth electrode comprises conducting rod, jams on dish, tube connector and connection handle; The top of conducting rod is provided with and jams on dish, jams on dish and is provided with ground wire wiring hole.
Further, conducting rod is enclosed within tube connector, and forms a fixed connection with tube connector, and the bottom of conducting rod is the cone-shaped of handstand.
Further, plural connection handle is fixedly connected on tube connector, and each connection handle has connecting through hole.
Further, the two ends of lateral connection bar respectively have the draw-in groove of a concave shape, and the both sides of each draw-in groove have through connecting through hole.
Further, secondary earth electrode comprises secondary conducting rod, pair jams on dish, connecting handle, liquid-entering hole and fluid hole; The top of secondary conducting rod is provided with circular pair and jams on dish.
Further, the upper end of secondary conducting rod has liquid-entering hole, and the surface of secondary conducting rod upper end has through fluid hole; Secondary conducting rod upper end is also provided with more than one connection handle, and each connection handle has connecting through hole.
Further, the lower end of secondary conducting rod is solid, and the bottom of secondary conducting rod is the cone-shaped of handstand.
Further, the connection handle of main earth electrode is stuck in the draw-in groove of lateral connection bar, and the connecting through hole on the connection handle of main earth electrode is corresponding with the connecting through hole position on lateral connection bar; Main earth electrode and lateral connection bar through the connecting through hole on main earth electrode and lateral connection bar, and with nut screwing clamping, link together by bolt.
Further, the connection handle of secondary earth electrode is stuck in the draw-in groove of lateral connection bar, and the connecting through hole on the connection handle of secondary earth electrode is corresponding with the connecting through hole position on lateral connection bar; Secondary earth electrode and lateral connection bar through the connecting through hole on secondary earth electrode and lateral connection bar, and with nut screwing clamping, link together by bolt.
The utility model has the advantages that:
1. the bottom of secondary earth electrode is the cone-shaped of the handstand that contact-making surface is little, top be provided with contact-making surface large jam on dish, by tramp with one's feet or iron hammer beat jam on dish mode fast by secondary earth electrode ground connection, the efficiency of work can be improved;
2. be embedded on the secondary earth electrode in the earth and have liquid-entering hole and fluid hole, the liquid of conduction can be injected from liquid-entering hole, flow to the earth from fluid hole, thus reduce earth resistivity; And the secondary earth electrode be embedded in the earth has multiple, earth resistivity can be reduced further, play good lightning protection effect;
3. main earth electrode, connected by screw bolt and nut between secondary earth electrode and lateral connection bar, its structure is simple, can repeated removal use, and install, demolition, repair, replacement are all very easy, are applicable to batch production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic perspective view of main earth electrode;
Fig. 3 is the vertical view of lateral connection bar;
Fig. 4 is the front view of lateral connection bar;
Fig. 5 is the schematic perspective view of secondary conducting rod;
In figure: 1 main earth electrode, 11 conducting rods, 12 jam on dish, 121 ground wire wiring holes, 13 tube connectors, 2 secondary earth electrodes, 21 secondary conducting rods, 22 pairs jam on dish, 23 liquid-entering holes, 24 fluid holes, 3 lateral connection bars, 31 draw-in grooves, 4 connection handles, 41 connecting through holes.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the description of one step is done to the utility model:
Embodiment one
As shown in Figure 1, ground connection fall resistance device form primarily of main earth electrode 1, secondary earth electrode 2 and lateral connection bar 3.The outside of main earth electrode 1 is provided with more than one secondary earth electrode 2, and secondary earth electrode 2 number in outside is preferably two.And secondary earth electrode 2 number be located at outside main earth electrode 1 is when being multiple, the secondary earth electrode 2 in outside carries out circulating type distribution centered by main earth electrode 1.Main earth electrode 1 and secondary earth electrode 2 by lateral connection bar 3 connect into one overall, main earth electrode 1 there is no liquid-entering hole 23 and fluid hole 24, and secondary earth electrode 2 has liquid-entering hole 23 and fluid hole 24.
As shown in Figure 2, main earth electrode 1 comprise conducting rod 11, jam on dish 12, tube connector 13 and connection handle 4.The conducting rod 11 of main earth electrode 1 is normally solid, but also can, from the angle of saving consumptive material, manufacture hollow.The cross section of conducting rod 11 is normally circular, but also can be polygonal.The bottom of conducting rod 11 is the cone-shaped of the handstand that cross section is little, the top of conducting rod 11 be cross section large jam on dish 12.Directly can pedal downwards with pin jam on dish 12 when the soil property of the earth is softer, main earth electrode 1 be imbedded the earth, then need when soil property is harder to beat with instruments such as iron hammers to jam on dish 12 main earth electrode 1 is imbedded greatly.Jam on dish 12 and be provided with ground wire wiring hole 121, with wire by ground wire wiring hole 121 and the equipment connection that will protect, thus form lightning protection loop.
The conducting rod 11 of main earth electrode 1 is provided with the tube connector 13 of circular tube shaped, and tube connector 13 is fixed on conducting rod 11, and forms an entirety with conducting rod 11.The periphery of tube connector 13 is fixedly connected with more than one connection handle 4, and multiple connection handle 4 is looped around on tube connector 13 uniformly, and each connection handle 4 has connecting through hole 41.
As shown in Figure 3 and Figure 4, lateral connection bar 3 is longer Metallic rod, and the two ends of lateral connection bar 3 respectively have the draw-in groove 31 that is seen as concave shape from vertical view, and have the through connecting through hole 41 perpendicular to draw-in groove 31 in the position of each concave shape draw-in groove 31.Because the both sides of each concave shape draw-in groove 31 have connecting through hole 41, therefore each concave shape draw-in groove 31 has two connecting through holes 41, and the axis of two connecting through holes 41 on the same line.
As shown in Figure 5, the lower end of secondary conducting rod 21 is solid, and the bottom of secondary conducting rod 21 be stand upside down cone-shaped, the top of secondary conducting rod 21 is provided with circular pair and jams on dish 22, stepped on by pin or iron hammer beat jam on dish 12 secondary earth electrode 2 can be imbedded the earth.The upper end of the secondary conducting rod 21 of secondary earth electrode 2 has liquid-entering hole 23, and therefore the upper end of secondary conducting rod 21 is hollow, and the surface of secondary conducting rod 21 upper end has through fluid hole 24.After secondary earth electrode 2 imbeds the earth, the liquid of conduction can be injected from liquid-entering hole 23, flow to the earth from fluid hole 24, thus reduce earth resistivity.
As shown in Figures 1 to 5, the connection handle 4 of main earth electrode 1 is stuck in the draw-in groove 31 of lateral connection bar 3, and the connecting through hole 41 on the connection handle 4 of main earth electrode 1 is corresponding with connecting through hole 41 position on lateral connection bar 3; Main earth electrode 1 and lateral connection bar 3 through the connecting through hole 41 on main earth electrode 1 and lateral connection bar 3, and with nut screwing clamping, link together by bolt.
Identical with the connected mode of lateral connection bar 3 with earth electrode, major-minor conducting rod 21 upper end is provided with more than one connection handle 4, and each connection handle 4 has connecting through hole 41, secondary earth electrode 2 and lateral connection bar 3 can be linked together.By bolt through the connecting through hole 41 on main earth electrode 1, lateral connection bar 3 and secondary earth electrode 2, and fastening nut, multiple secondary earth electrode 2 and a main earth electrode 1 can be linked together.Multiple secondary earth electrode 2 is imbedded ground energy and is reduced earth resistivity further together with a main earth electrode 1, improves lightning protection effect.
Obviously, under the prerequisite not departing from principle described in the utility model, the some improvement made or modification all should be considered as protection range of the present utility model.